Linux.com
is a friendly, beginner-oriented site that presents regular
articles on using and managing Linux, along with feedback forums
for readers to discuss the issues raised.
Linux
HOWTOs are available for a vast range of topics, and offer
step by step assistance in achieving specific tasks, from
securing your system to configuring a particular piece of
hardware.
Linux
Newbies is a site aimed at beginners, and offers useful tips
and tricks to help you avoid the pitfalls.
The Kernel
Archives is the only official place to download the latest
Linux kernels. Mirrored across the globe, this is where you'll
find new releases as they happen.
The Free Software
Foundation is the home of the open source movement, the
official umbrella organisation for Linux and almost all of its
related software, and publisher of the GNU General Public License.
SourceForge is a vast repository for open source software
projects, which not surprisingly includes a huge number of
packages for Linux.
LinuxIT is one of the UK's own largest vendor-independent Linux
companies, and resells a large range of distributions, application
software, and merchandise as well as providing a range of other
services.